Traction-wheel.



H. 0. WIESE.

TRACTION WHEEL.

APPLscATloN FILED ocr. 3|. 1916.

Patented June 25, 1918.

HENRY-0; winsn, or PERRY, nrown.

TRACTIONQWH'EEL.

e ravenna.

iSpeci-'Ication of Letters Patent.

Patented {lunc'y 10rd.

. To alli/whom a may concern Be itflrnown .that LfHENr-Y 0. NVinsa, citizen of the United States of Amer1ca,fand resident of Perry, vDallas county, Iowa,

...have invented .a .new `and useful Tract-ion- WVheel, of which the. following is a specilication.

The object of this invention is to provide `an improved `construction lfor traction avheelsfespecialattention-.being.given1.tothe .ri-In lor treadgportion thereof.

.A .ifurther `object of `this invention isto provide a construction that will facilitate travel over a tread surface V.witho.utpaclring .orfcompressing said surface.

l picked up .during travel.

A further object of thisinvention kis :to {prov-ide an :improved `construction for trac- `tion and ,-spolre `.elements whereby the same :may be conveniently .removed 'and :replaced frelati-veltoa hub and rim fmembers:

.A further Vobject `of this .invention l1s to v provide an improved construction. ifor` traction lugs.

.A further object of vthis Linvention sis to provide .an .improved construction `for rim .members or tread members lof ya traction wheel.

My vinvention consists in fthe l construction, arrangement yand combination of .elements hereinafter set forth, :pointed out in my claims and illustratedby the accompanying drawing, in whichq z'Eigure .l iis a Aperspective of. a segment .of a wheel showing rim or tread members and traction lug members of one form in proper relation for practical use. Figs. 2 to 7 inclusive are cross-sections of the wheel rim showing various forms of tread members and traction lug members. Fig. 8 is an elevation partly in section showing one form of traction lug and one form of spoke therefor, together with means for securing the spoke to a hub, the hub being shown conventionally.

ln the construction of the device as illustrated in Figs. 1 and7 the numerals 10,?11, L12, ..13 `designate.counterpart rings or tread members, which are formed rectangular l in cross-section and have their-greatest transverse dimensionradially of thearc in-.which they trend.- .The tread members or rings preferably are of the same dameterand are spaced apart laterally, such spacingapart being effected by mounting `the .rings in notches (14E, 15, 16, .l`7fin traction lugs 18, l19, 20. Any desired .number of traction "lugs Amay be Vemployed throughout the circumfer- .ence of the wheelfand the lesse'rnnunberhere illustratedzare typical .of the .greater number which may Vbe employed. .The .traction lugs 18, 419, 20 preferably are approximately triangular in cross-section wand :are arranged so `that'one face of the triangle maybe in ,thelp'lane of a chord of they arcof'tliezrings; one apex of the trianglefbeing somewhat .flattened andarranged flush with the outer- .mostarc ofthe tread rings. This construction provides .for ,good and suflicient en- '.gagementiof the lugs with the` tread `surface Vfor traction purposes and .also provides, in

vthe .peripheries oflthe rings, agood andsuf- .-licient `.tread surface comprised `in ,spaced contacts of Vlimited extent as contradistin- .guished .to a broad, lcontinuous `Contact .throughout an imperforaterim. Such tread formed ofspaced contacts avoids Acompressing and packing a path or 4 thus overcoming or eliminating .the undesirable .feature heretofore -`found in .the use of traction wheels on plowedground` during ,the operation -of planting or cultivating a crop. `The lugs 18, y19, `20 `are carried by spokesl, 22, .23,.arranged in spaced .relations-and .radially `of the wheel. The spokes `2l, .22, 23,. being typical of-thagreater numfberr employed `in .a complete wheel, may `be arranged,perpendicular to the-'lugs asfshown in Fig. 7 or inclined relative to the trend of `the lugs, as shown in Figa l and-8. lflhen the spokes are arranged in inclined relations to the lugs, they alternate as to inclination as illustrated in Fig. l, thus elfecting a bracing of the lugs and rings alternately from opposite directions and providing a maximum of resistance to lateral flexure or lateral strain from the rim induced by the use of the wheel on laterally inclined planes and in turning from a straight path of travel. The spokes 21, 22, 23 may be secured to a hub (to form a complete Wheel) in any desired manner such as by riveting tread surface,

tween the tread rings.

Copies of this patent may be obtained for or bolting to a short spoke 24 as shown in Fig. 7 The spokes 21, 22, 23 preferably are braced to the lugs 18, 19, 20by integral webs 25, 26, 27, thus providing means for applying the strain of outer portions of a rim obliquely to the spokes.v

The lugs and spokes may be constructed integrally such as of metal bymolding (Fig. 8) and may continue in such form from the rim kto the hub as shown in Fig. 8. 1n such construction each spoke preferably is formed with a base 28 adapted to engage a tapering surface of a hub 29 (shown conventionally), all of the bases 28 contacting at one end with a screw collar 30 on the hub and adapted to be engaged, compressed, seated, held and locked by a screw collar 31 engaging the outer ends of the bases, said collar 31 also being on the hub. Any wear, contraction or shrinkagevof the spokes and lugs, tending t0 loosen them'relative to the rings 10, 11, 12, 18, may be compensated for, taken up, adjusted and cured by adjustment of the screw collars 30, 31 on the hub 29.

It is to be understood that the hub may be of any desired form and construction and may be provided with any desired skein or bearings, the saine forming no part of my present invention.

In Figs.v 1 to 6 inclusive l have illustrated a lug formed with notches of various shape and size and'also showing tread rings of various shape and size mounted in said notches, thus illustrating possible modiiications of the tread rings and notches carrying the same, which may be of infinite variety. The purpose of this showing is to suggest modifications retaining the characteristics of spaced tread contacts and the arrangement of the' same approximately flush with the outer ends of the lugs.

Sectional deflectors 32 are mounted on the spokes 21, 22, 23 (Fig. 8) and are adapted to receive and discharge laterally any soil or tread substance which may be received be- The arrangement of the plurality of delectors 32 on alternate spokes produces, in the complete wheel, a conical deiector susceptible of receiving and ldischarging laterally all of the tread substance collected by the skeleton tread.

Another function of the skeleton tread is to prevent lateral movement or skidding of the wheel rim.

I do not desire to be understood as limiting myself to any specific number of lugs or tread rings or any specific construction of the lugs or cross-section of the tread rings or shape of the notches in which said rings are mounted, nor any specific arrangement of the spokes relative to the hub or to other spokes used to Secure them to the wheel.

I claim as my invention- 1. A traction wheel, comprising spaced tread rings, and traction lugs separately formed and loosely carrying said tread rings.

2. A traction wheel, comprising spaced tread rings, and traction lugs separately formed and provided with notches adapted loosely to receive said tread rings, said lugs being adapted to be expanded into Contact with said rings.

3. A traction wheel, comprising spaced tread rings, traction lugs separately formed and loosely carrying said rings, and spokes integral with and carrying said traction lugs, said lugs and spokes being adapted to be eX- panded to contact the lugs with said rings.

4. A traction wheel, comprising spaced tread rings, traction lugs loosely carrying said rings, and spokes integral with and carrying said traction lugs, said spokes being separate from and adapted for attachment adjustably to a hub and also integrally braced to said lugs.

5. A traction wheel, comprising spaced tread rings, traction lugs loosely carrying said rings, and spokes integral with and carrying said traction lugs, said spokes being formed with bases separate from and adapted eonjunctively to be adjustably secured to a hub.

6. A traction wheel, comprising separate spaced tread rings, traction lugs loosely carrying said rings, spokes carrying said traction lugs, and deecting devices removably and replaceably mounted on said spokes.

Signed by me at Des Moines, owa, this nineteenth day of October', 1916.

HENRY O. WIESE.

five cents each, by addressing the Commissioner of Patents, "Washington, D. C. 

